Claude 4.5 Opus vs GPT-4 Turbo
GPT-4 Turbo is cheaper on output tokens, while Claude 4.5 Opus offers a larger context window. Choose Claude 4.5 Opus or GPT-4 Turbo based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude 4.5 Opus | GPT-4 Turbo |
|---|---|---|
| Provider | AI/ML API | OpenAI |
| Input / 1M tokens | $6.88 | $10.00 |
| Output / 1M tokens | $34.39 | $30.00 |
| Context window | 200K | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Nov 2025 | Nov 2023 |
| SWE-bench Verified score | 76.8 | — |
| LMArena (Chatbot Arena) Elo score | — | 1272 |
| LMArena Vision Elo score | — | 1090 |
| GPQA Diamond score | — | 46.6 |
| Epoch Capabilities Index score | — | 127 |
FAQ
Is Claude 4.5 Opus or GPT-4 Turbo cheaper?
GPT-4 Turbo is cheaper on output tokens ($30.00 vs $34.39 per 1M).
Which has the larger context window, Claude 4.5 Opus or GPT-4 Turbo?
Claude 4.5 Opus has the larger context window (200K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.